diff options
Diffstat (limited to 'drivers/platform/cznic/turris-omnia-mcu-trng.c')
| -rw-r--r-- | drivers/platform/cznic/turris-omnia-mcu-trng.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/platform/cznic/turris-omnia-mcu-trng.c b/drivers/platform/cznic/turris-omnia-mcu-trng.c index 9a1d9292dc9a..e3826959e6de 100644 --- a/drivers/platform/cznic/turris-omnia-mcu-trng.c +++ b/drivers/platform/cznic/turris-omnia-mcu-trng.c @@ -5,12 +5,9 @@ * 2024 by Marek Behún <kabel@kernel.org> */ -#include <linux/bitfield.h> #include <linux/completion.h> #include <linux/container_of.h> #include <linux/errno.h> -#include <linux/gpio/consumer.h> -#include <linux/gpio/driver.h> #include <linux/hw_random.h> #include <linux/i2c.h> #include <linux/interrupt.h> @@ -62,17 +59,12 @@ static int omnia_trng_read(struct hwrng *rng, void *data, size_t max, bool wait) int omnia_mcu_register_trng(struct omnia_mcu *mcu) { struct device *dev = &mcu->client->dev; - u8 irq_idx, dummy; - int irq, err; + u8 dummy; + int err; if (!(mcu->features & OMNIA_FEAT_TRNG)) return 0; - irq_idx = omnia_int_to_gpio_idx[__bf_shf(OMNIA_INT_TRNG)]; - irq = gpiod_to_irq(gpio_device_get_desc(mcu->gc.gpiodev, irq_idx)); - if (irq < 0) - return dev_err_probe(dev, irq, "Cannot get TRNG IRQ\n"); - /* * If someone else cleared the TRNG interrupt but did not read the * entropy, a new interrupt won't be generated, and entropy collection @@ -86,9 +78,8 @@ int omnia_mcu_register_trng(struct omnia_mcu *mcu) init_completion(&mcu->trng_entropy_ready); - err = devm_request_threaded_irq(dev, irq, NULL, omnia_trng_irq_handler, - IRQF_ONESHOT, "turris-omnia-mcu-trng", - mcu); + err = omnia_mcu_request_irq(mcu, OMNIA_INT_TRNG, omnia_trng_irq_handler, + "turris-omnia-mcu-trng"); if (err) return dev_err_probe(dev, err, "Cannot request TRNG IRQ\n"); |